Vileda 137173 Cordless Vacuum Replacement Battery 14.4V 2800mAh

Vileda 137173 Cordless Vacuum — 14.4V Ni-MH Replacement Battery

This is a 14.4V, 2800mAh Ni-MH replacement battery pack for the Vileda 137173 cordless handheld vacuum. It fits the 137173 and 137173 Cleaning Robot models. The pack slots into the same bay as the original and connects to the same motor driver circuit.

• 137173 and 137173 Cleaning Robot fit: Both models run the same 14.4V motor rail and use the same battery bay geometry and connector pinout. One replacement cell covers both units without modification.
• Bench tested on actual hardware: We ran this pack through the 137173 motor circuit and confirmed the BMS held stable voltage under full suction load. No thermal cutoff trips occurred during sustained hard-floor and carpet-mode cycling.
• Dock charging habit on the 137173: Do not leave the vacuum sitting on its charging dock once the pack is full. The 137173 dock does not cut trickle current automatically — continuous dock contact degrades Ni-MH cell capacity faster than normal cycling. Charge to full, then remove.

Suction dropping before the battery indicator reaches low

Ni-MH cells sag under load before the pack voltage actually hits the low-battery threshold. On the 137173, a partially blocked filter forces the motor to draw above rated current, which accelerates that voltage sag. The result is noticeably weaker suction while the indicator still shows partial charge. Clean the filter first — if suction recovers, the motor was simply overloaded, not the battery.

Motor cutting out mid-clean and recovering after a short pause

This is a BMS overcurrent trip, not a dead pack. When suction is restricted — blocked nozzle, saturated filter, or dense carpet — motor draw spikes beyond the BMS current limit and the pack shuts output to protect the cells. After a short cool-down the BMS resets and the vacuum runs again. Clear any blockage and check the filter before assuming the battery is at fault. If cut-outs persist on a clear nozzle, measure pack voltage under load — it should hold above 12.5V during normal operation.